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Figure 2
Experimental setup for nonlinear optical mixing using a combination of laser and synchrotron radiation. For a preliminary experiment the output of the Ti:sapphire laser and part of the Ar laser beam (dotted lines), both with an average power of 100 mW, were collinearly focused on the BBO crystal with a 150 mm focal length lens. The Ar laser was then switched to the synchrotron radiation beam with a sliding mirror. The output coupler of the Ti:sapphire laser was mounted on a translation stage to vary the pulse frequency. Mode-locked operation was initiated by shaking the translation stage. Photodiode signals of the pulse trains of the Ti:sapphire laser and synchrotron radiation were mixed to detect the difference in pulse frequencies. When a synchronized RF signal of the synchrotron radiation pulses is supplied it is conveniently used in place of the synchrotron radiation light, though it is not essential for the experiment. DO: digital oscilloscope; PMT: photomultiplier tube; MM: monochromator with 0.5 mm slits; F: filter; SM: sliding mirror; SR: synchrotron radiation; PD: photodiode; OC: output coupler; BPF: band-pass filter; PSD: phase-sensitive detector. The BPFs and PSD are designed for 76 [\pm] 10 MHz.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 12| Part 6| October 2005| Pages 826-832
doi:10.1107/S0909049505026427
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